Today we wind up the technicality a bit with a discussion of the differences between AC and DC power and why AC was chosen to power the grid. Once you’ve got your head around that we’ll move into how the grid is managed and why.The Two Different Flavours of Current

In the early days of electricity research and designing networks for cities (late 1800’s), something of a war went on between Thomas Edison and Nikola Tesla, two pretty stout minds in the field of electrical research.

Edison, seriously famous American inventor was in favour of direct current (DC) for distributed networks, mostly because he held patents in most…